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Cerium doped CaY2Al4SiO12, CaY2Ga2Al2SiO12 and CaY2Sc2Al2SiO12 garnet phosphors have been synthesized by using a high temperature solid-state reaction method and studied by optical spectroscopy techniques in the wide temperature range. It has been revealed that the emission spectra from all the synthesized samples can be well represented as the sum of spectral bands due to the 5d - 4f transitions...
The spectra of the luminescence and magnetic circular polarization of luminescence in terbium–gadolinium gallium garnet Tb3+:Gd3Ga5O12 (Tb3+:GGG) were studied within the visible spectral range at temperatures T=90 and 300K in an external magnetic field of 0.45T. The Zeeman effect in the luminescence “green” band associated with 4f→4f transition 5D4→7F5 of Tb3+:GGG was also studied at T=90K in an external...
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